Research Article
Energy Efficient and High Capacity Tradeoff in Distributed Antenna System for a Green Cellular Network
Table 3
Power consumption of different DAS configurations.
| Parameter | Unit | High load | Moderate load | Low load | 2-6/1 | 1-3/1 | 1-1/1 | CAS (2) | DAS (6) | CAS (1) | DAS (3) | CAS (1) | DAS (1) |
| Max transmit rms power | [Watt] | 20 | 4 | 20 | 7 | 20 | 7 |
| Max transmit rms power | [dBm] | 43 | 36 | 43 | 38.5 | 43 | 38.5 |
| Power-added efficiency | [%] | 38.8 | 28.5 | 38.8 | 28.5 | 38.8 | 28.5 |
| | [Watt] | 51.6 | 14.1 | 51.6 | 24.61 | 51.6 | 24.61 |
| | [Watt] | 10.9 | 5.4 | 10.9 | 5.4 | 10.9 | 5.4 |
| | [Watt] | 14.8 | 13.6 | 14.8 | 13.6 | 14.8 | 13.6 |
| DC-loss | [%] | 6 | 6.4 | 6 | 6.4 | 6 | 6.4 |
| MS-loss | [%] | 7 | 7.2 | 7 | 7.2 | 7 | 7.2 |
| Cooling-loss | [%] | 9 | 0 | 9 | 0 | 9 | 0 |
| Total 1 antenna | [Watt] | 97.04 | 38.11 | 97.04 | 50.21 | 97.04 | 50.21 |
| Number of antennas | # | 2 | 6 | 1 | 3 | 1 | 1 |
| Total antenna | [Watt] | 194.1 | 228.64 | 97.04 | 150.62 | 97.04 | 50.21 |
| Total power cons./sector | [Watt] | 422.72 | 247.66 | 147.25 |
| Number of sectors | # | 3 | 3 | 3 |
| Total power cons./cell | [Watt] | 1268.17 | 743 | 441.75 |
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